Dexter's Laboratory

Jeff Bennett

Dad (voice)

Kath Soucie

Mom (voice)

Christine Cavanaugh

Dexter (voice)

Kat Cressida

Dee Dee (voice)

Eddie Deezen

Mandark (voice)

Candi Milo

Dexter (voice), Elsie / Granny / Crow (voice)

Allison Moore

Dee Dee (voice)

Tom Kenny

Valhallen (voice), Mike Man / Valhallen / Capital G (voice), Narrator (voice), Robot #2 / Robot #4 (voice), Ice Cream Man / Paperboy / Telephone Worker (voice), Valhallen / Puppet Pal Clem / Zebra (voice), Man #2 / Man #4 / Man #5 (voice), Mailman / Guy #1 (voice), Hawk / Angry Man / Boy on Right (voice), Foreman / Shmoo (voice), Peepers (voice), TV Announcer / Judge #2 / Judge #1 (voice), Sal / Joe / Officer (voice), Police Guy / Cop / Lady (voice), Spider / Doug (voice), Demon (voice), Puppet Pal Mitch / Announcer #2 (voice), Officer / Balloon Man / Man in Booth (voice), Jebediah / Ezra / Space Man (voice), Matt / Parallax (voice), Cop Ant / Enforcer Ant / Big Red (voice), Grumpy / Silly / Sleepy (voice), Dumb Kid / Love Kid / Narrator (voice), Valhallen / Living Bullett (voice), McBoy / Snack Man / High Priestess (voice), Valhallen / TV Announcer / Puppet Pal Mitch (voice), Snowman / Living Bullet / Valhallen (voice), Kid #2 / Kid #3 (voice), Disgruntled Postman / Puppet Pal Clem / Valhallen (voice), Clem / Trucker #3 / Winner (voice), Ahab / Greenpeas / Whale Chorus (voice), Colonel / Rookie / Smuggler #1 / Elf (voice), Ultrabot 2000 (voice), Valhallen / Mental Mouse (voice)

Frank Welker

Krunk (voice), Robot / Boy / Boy #2 (voice), Monkey / Quackor / Mr. Luzinski (voice), Krunk / White Tiger (voice), Monkey / Snorkdro (voice), President / General / Guy / God / Man #2 / Einstein (voice), Dinosaur / Dog (voice), Earl / Trucker #1 (voice), Semitaur / Wizard / Chinese Dragon (voice), Announcer / Monkeys (voice), Monkey / Captain (voice), Krunk / Goat (voice), Monkey (voice), Krunk / Bee (voice), Monkey / Ref / Krunk (voice), Monkey / Krunk (voice), Teacher #2 / Principal (voice), Krunk / Minotaur / Cat (voice), Dynomutt / Dynomutt X90 (voice), Monkey / Turtle (voice), Dog (voice), Dog / Announcer / Vet (voice), Monkey / Man #3 / Pilot (voice), Teacher / Robot / JoJo (voice), Dogbot / Robot #1 / Robot #3 (voice)

Rob Paulsen

Major Glory (voice), Major Glory / Puppet Pal Mitch (voice), Major Glory / Fat Boy (voice), Gnome / Tour Guide (voice), Joe / Wet Willie / Whale Chorus (voice), Bully #1 / Bully #3 (voice), Chubby / Pedro / Announcer (voice), Billy the Monster / Otto (voice), Trevor (voice), Major Glory / Comrade Red (voice), Silver Spooner / Major Glory / Tiki Torch (voice), Spork / Large Dealer / Checker #1 (voice), Math Teacher / Thug / Game Show Host (voice), Major Glory / Kid #1 (voice), Major Glory / Mom / Puppet Pal Clem (voice), Promotor / Major Glory / Sam-R-I (voice), Gold Fish / Wolf / Mice (voice), Puppet Pal Clem / Announcer #1 (voice)

Dom DeLuise

Koosalagoopagoop (voice)

Robert Ridgely

Commander (voice), Tracker #1 / Space Hick #2 (voice), Barbequor / Commander (voice)